Humans have many wonderful qualities, but we lack something that’s a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery. Tails are useful for ...

While researching AI robotics I came across this interesting robotic human tail developed by researchers at Keio University in Japan a few years ago. The Arque robotic tail aims to augment human ...

Around 25 million years ago, an evolutionary split occurred between our ancestors, the precursors of humans and apes, and monkeys, resulting in the loss of tails in our lineage. However, the genetic ...

WASHINGTON — Our very ancient animal ancestors had tails. Why don’t we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed its ...

From mackerel to monkeys, practically everyone has a tail...except humans and other apes. The reason we’re left out is because most mammals use their tails to balance while walking or running. But we ...

WASHINGTON (AP) — Our very ancient animal ancestors had tails. Why don’t we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Humans have many ...

(CNN) -- Humans have many wonderful qualities, but we lack something that's a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery. CNN — (CNN) ...